I hope I get it soon just to get it over with.
edit: of course that could have been the latent period at the beginning - not saying they all /stayed/ asymptomatic, just that it may already have arrived.
- The test may have had a false negative
- The viral load was low due to anti-virals, and subsequently re-surged once off them
- The person has a compromised immune system and cannot form proper immunity.